{
    let a:number = 11;
    let b:string = "ciao";
    let c:boolean = true;
    let d:any = "ciao";
    let e:number[] = [1,2,3];

    let addNum = (a:number, b:number):number => {
        return a + b;
    }

    let strToArr = (str:string):string[] => {
        return str.split("");
    }

    let result = addNum(1,2);
}